boost/leaf/config.hpp

0001 #ifndef BOOST_LEAF_CONFIG_HPP_INCLUDED
0002 #define BOOST_LEAF_CONFIG_HPP_INCLUDED
0003
0004 // Copyright 2018-2023 Emil Dotchevski and Reverge Studios, Inc.
0005
0006 // Distributed under the Boost Software License, Version 1.0. (See accompanying
0007 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0008
0009 // The following is based in part on Boost Config.
0010
0011 // (C) Copyright John Maddock 2001 - 2003.
0012 // (C) Copyright Martin Wille 2003.
0013 // (C) Copyright Guillaume Melquiond 2003.
0014
0015 #ifndef BOOST_LEAF_ASSERT
0016 #   include <cassert>
0017 #   define BOOST_LEAF_ASSERT assert
0018 #endif
0019
0020 ////////////////////////////////////////
0021
0022 #ifdef BOOST_LEAF_DIAGNOSTICS
0023 #   warning BOOST_LEAF_DIAGNOSTICS has been renamed to BOOST_LEAF_CFG_DIAGNOSTICS.
0024 #   define BOOST_LEAF_CFG_DIAGNOSTICS BOOST_LEAF_DIAGNOSTICS
0025 #endif
0026
0027 ////////////////////////////////////////
0028
0029 #ifdef BOOST_LEAF_TLS_FREERTOS
0030
0031 #   ifndef BOOST_LEAF_EMBEDDED
0032 #       define BOOST_LEAF_EMBEDDED
0033 #   endif
0034
0035 #endif
0036
0037 ////////////////////////////////////////
0038
0039 #ifdef BOOST_LEAF_EMBEDDED
0040
0041 #   ifndef BOOST_LEAF_CFG_DIAGNOSTICS
0042 #       define BOOST_LEAF_CFG_DIAGNOSTICS 0
0043 #   endif
0044
0045 #   ifndef BOOST_LEAF_CFG_STD_SYSTEM_ERROR
0046 #       define BOOST_LEAF_CFG_STD_SYSTEM_ERROR 0
0047 #   endif
0048
0049 #   ifndef BOOST_LEAF_CFG_STD_STRING
0050 #       define BOOST_LEAF_CFG_STD_STRING 0
0051 #   endif
0052
0053 #   ifndef BOOST_LEAF_CFG_CAPTURE
0054 #       define BOOST_LEAF_CFG_CAPTURE 0
0055 #   endif
0056
0057 #endif
0058
0059 ////////////////////////////////////////
0060
0061 #ifndef BOOST_LEAF_CFG_DIAGNOSTICS
0062 #   define BOOST_LEAF_CFG_DIAGNOSTICS 1
0063 #endif
0064
0065 #ifndef BOOST_LEAF_CFG_STD_SYSTEM_ERROR
0066 #   define BOOST_LEAF_CFG_STD_SYSTEM_ERROR 1
0067 #endif
0068
0069 #ifndef BOOST_LEAF_CFG_STD_STRING
0070 #   define BOOST_LEAF_CFG_STD_STRING 1
0071 #endif
0072
0073 #ifndef BOOST_LEAF_CFG_CAPTURE
0074 #   define BOOST_LEAF_CFG_CAPTURE 1
0075 #endif
0076
0077 #ifndef BOOST_LEAF_CFG_WIN32
0078 #   define BOOST_LEAF_CFG_WIN32 0
0079 #endif
0080
0081 #ifndef BOOST_LEAF_CFG_GNUC_STMTEXPR
0082 #   ifdef __GNUC__
0083 #       define BOOST_LEAF_CFG_GNUC_STMTEXPR 1
0084 #   else
0085 #       define BOOST_LEAF_CFG_GNUC_STMTEXPR 0
0086 #   endif
0087 #endif
0088
0089 #if BOOST_LEAF_CFG_DIAGNOSTICS!=0 && BOOST_LEAF_CFG_DIAGNOSTICS!=1
0090 #   error BOOST_LEAF_CFG_DIAGNOSTICS must be 0 or 1.
0091 #endif
0092
0093 #if BOOST_LEAF_CFG_STD_SYSTEM_ERROR!=0 && BOOST_LEAF_CFG_STD_SYSTEM_ERROR!=1
0094 #   error BOOST_LEAF_CFG_STD_SYSTEM_ERROR must be 0 or 1.
0095 #endif
0096
0097 #if BOOST_LEAF_CFG_STD_STRING!=0 && BOOST_LEAF_CFG_STD_STRING!=1
0098 #   error BOOST_LEAF_CFG_STD_STRING must be 0 or 1.
0099 #endif
0100
0101 #if BOOST_LEAF_CFG_CAPTURE!=0 && BOOST_LEAF_CFG_CAPTURE!=1
0102 #   error BOOST_LEAF_CFG_CAPTURE must be 0 or 1.
0103 #endif
0104
0105 #if BOOST_LEAF_CFG_WIN32!=0 && BOOST_LEAF_CFG_WIN32!=1
0106 #   error BOOST_LEAF_CFG_WIN32 must be 0 or 1.
0107 #endif
0108
0109 #if BOOST_LEAF_CFG_GNUC_STMTEXPR!=0 && BOOST_LEAF_CFG_GNUC_STMTEXPR!=1
0110 #   error BOOST_LEAF_CFG_GNUC_STMTEXPR must be 0 or 1.
0111 #endif
0112
0113 #if BOOST_LEAF_CFG_DIAGNOSTICS && !BOOST_LEAF_CFG_STD_STRING
0114 #   error BOOST_LEAF_CFG_DIAGNOSTICS requires BOOST_LEAF_CFG_STD_STRING, which has been disabled.
0115 #endif
0116
0117 #if BOOST_LEAF_CFG_STD_SYSTEM_ERROR && !BOOST_LEAF_CFG_STD_STRING
0118 #   error BOOST_LEAF_CFG_STD_SYSTEM_ERROR requires BOOST_LEAF_CFG_STD_STRING, which has been disabled.
0119 #endif
0120
0121 ////////////////////////////////////////
0122
0123 // Configure BOOST_LEAF_NO_EXCEPTIONS, unless already #defined
0124 #ifndef BOOST_LEAF_NO_EXCEPTIONS
0125
0126 #   if defined(__clang__) && !defined(__ibmxl__)
0127 //  Clang C++ emulates GCC, so it has to appear early.
0128
0129 #       if !__has_feature(cxx_exceptions)
0130 #           define BOOST_LEAF_NO_EXCEPTIONS
0131 #       endif
0132
0133 #   elif defined(__DMC__)
0134 //  Digital Mars C++
0135
0136 #       if !defined(_CPPUNWIND)
0137 #           define BOOST_LEAF_NO_EXCEPTIONS
0138 #       endif
0139
0140 #   elif defined(__GNUC__) && !defined(__ibmxl__)
0141 //  GNU C++:
0142
0143 #       if !defined(__EXCEPTIONS)
0144 #           define BOOST_LEAF_NO_EXCEPTIONS
0145 #       endif
0146
0147 #   elif defined(__KCC)
0148 //  Kai C++
0149
0150 #       if !defined(_EXCEPTIONS)
0151 #           define BOOST_LEAF_NO_EXCEPTIONS
0152 #       endif
0153
0154 #   elif defined(__CODEGEARC__)
0155 //  CodeGear - must be checked for before Borland
0156
0157 #       if !defined(_CPPUNWIND) && !defined(__EXCEPTIONS)
0158 #           define BOOST_LEAF_NO_EXCEPTIONS
0159 #       endif
0160
0161 #   elif defined(__BORLANDC__)
0162 //  Borland
0163
0164 #       if !defined(_CPPUNWIND) && !defined(__EXCEPTIONS)
0165 #           define BOOST_LEAF_NO_EXCEPTIONS
0166 #       endif
0167
0168 #   elif defined(__MWERKS__)
0169 //  Metrowerks CodeWarrior
0170
0171 #       if !__option(exceptions)
0172 #           define BOOST_LEAF_NO_EXCEPTIONS
0173 #       endif
0174
0175 #   elif defined(__IBMCPP__) && defined(__COMPILER_VER__) && defined(__MVS__)
0176 //  IBM z/OS XL C/C++
0177
0178 #       if !defined(_CPPUNWIND) && !defined(__EXCEPTIONS)
0179 #           define BOOST_LEAF_NO_EXCEPTIONS
0180 #       endif
0181
0182 #   elif defined(__ibmxl__)
0183 //  IBM XL C/C++ for Linux (Little Endian)
0184
0185 #       if !__has_feature(cxx_exceptions)
0186 #           define BOOST_LEAF_NO_EXCEPTIONS
0187 #       endif
0188
0189 #   elif defined(_MSC_VER)
0190 //  Microsoft Visual C++
0191 //
0192 //  Must remain the last #elif since some other vendors (Metrowerks, for
0193 //  example) also #define _MSC_VER
0194
0195 #       if !_CPPUNWIND
0196 #           define BOOST_LEAF_NO_EXCEPTIONS
0197 #       endif
0198 #   endif
0199
0200 #endif
0201
0202 ////////////////////////////////////////
0203
0204 #ifdef _MSC_VER
0205 #   define BOOST_LEAF_ALWAYS_INLINE __forceinline
0206 #else
0207 #   define BOOST_LEAF_ALWAYS_INLINE __attribute__((always_inline)) inline
0208 #endif
0209
0210 ////////////////////////////////////////
0211
0212 #if defined(__has_attribute) && defined(__SUNPRO_CC) && (__SUNPRO_CC > 0x5130)
0213 #   if __has_attribute(nodiscard)
0214 #       define BOOST_LEAF_ATTRIBUTE_NODISCARD [[nodiscard]]
0215 #   endif
0216 #elif defined(__has_cpp_attribute)
0217 // require c++17 regardless of compiler
0218 #   if __has_cpp_attribute(nodiscard) && __cplusplus >= 201703L
0219 #       define BOOST_LEAF_ATTRIBUTE_NODISCARD [[nodiscard]]
0220 #   endif
0221 #endif
0222 #ifndef BOOST_LEAF_ATTRIBUTE_NODISCARD
0223 #   define BOOST_LEAF_ATTRIBUTE_NODISCARD
0224 #endif
0225
0226 ////////////////////////////////////////
0227
0228 #ifndef BOOST_LEAF_CONSTEXPR
0229 #   if __cplusplus > 201402L
0230 #       define BOOST_LEAF_CONSTEXPR constexpr
0231 #   else
0232 #       define BOOST_LEAF_CONSTEXPR
0233 #   endif
0234 #endif
0235
0236 ////////////////////////////////////////
0237
0238 #ifndef BOOST_LEAF_DEPRECATED
0239 #   if __cplusplus > 201402L
0240 #       define BOOST_LEAF_DEPRECATED(msg) [[deprecated(msg)]]
0241 #   else
0242 #       define BOOST_LEAF_DEPRECATED(msg)
0243 #   endif
0244 #endif
0245
0246 ////////////////////////////////////////
0247
0248 #ifndef BOOST_LEAF_NO_EXCEPTIONS
0249 #   include <exception>
0250 #   if (defined(__cpp_lib_uncaught_exceptions) && __cpp_lib_uncaught_exceptions >= 201411L) || (defined(_MSC_VER) && _MSC_VER >= 1900)
0251 #       define BOOST_LEAF_STD_UNCAUGHT_EXCEPTIONS 1
0252 #   else
0253 #       define BOOST_LEAF_STD_UNCAUGHT_EXCEPTIONS 0
0254 #   endif
0255 #endif
0256
0257 ////////////////////////////////////////
0258
0259 #ifdef __GNUC__
0260 #   define BOOST_LEAF_SYMBOL_VISIBLE [[gnu::visibility("default")]]
0261 #else
0262 #   define BOOST_LEAF_SYMBOL_VISIBLE
0263 #endif
0264
0265 ////////////////////////////////////////
0266
0267 #if defined(__GNUC__) && !(defined(__clang__) || defined(__INTEL_COMPILER) || defined(__ICL) || defined(__ICC) || defined(__ECC)) && (__GNUC__ * 100 + __GNUC_MINOR__) < 409
0268 #   ifndef BOOST_LEAF_NO_CXX11_REF_QUALIFIERS
0269 #       define BOOST_LEAF_NO_CXX11_REF_QUALIFIERS
0270 #   endif
0271 #endif
0272
0273 ////////////////////////////////////////
0274
0275 // Configure TLS access
0276 #include <boost/leaf/config/tls.hpp>
0277
0278 ////////////////////////////////////////
0279
0280 #endif